nintendo ds

hello all i need some help because im very uneducated at this im wanting to know how do i get the games to work after i have downloaded them .as i havent had any success as yet is there something else i need to do to them after i have downloaded them to change them from rar files. cheers trev

Extract the *.nds from the *.rar with WinRAR or 7zip :)How are you trying to play these games?

https://www.romulation.org/forum/index.php?topic=3880.0
https://www.romulation.org/forum/index.php?topic=1663.0

thanks 4 that has been a great help cheers